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datecalc/templates/index.html

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{% macro format_date(date_str) %}
{%- if date_str and '-' in date_str and date_str|length == 10 -%}
{{ date_str[8:10] }}.{{ date_str[5:7] }}.{{ date_str[0:4] }}
{%- else -%}
{{ date_str }}
{%- endif -%}
{% endmacro %}
<!doctype html>
<html lang="de">
<head>
<meta charset="utf-8">
<title>Elpatrons Datumsrechner</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="icon" type="image/x-icon" href="/favicon.ico">
<link rel="stylesheet" href="/static/style.css">
<script>
function setToday(id) {
const today = new Date().toISOString().split('T')[0];
document.getElementById(id).value = today;
}
function openAccordion(idx) {
document.querySelectorAll('.accordion-header').forEach((btn, i) => {
btn.classList.toggle('active', i === idx);
});
document.querySelectorAll('.accordion-content').forEach((el, i) => {
el.classList.toggle('active', i === idx);
});
}
document.addEventListener('DOMContentLoaded', function() {
openAccordion(parseInt("{{ active_idx|default(0) }}"));
});
</script>
</head>
<body>
<div class="container">
<h1>Elpatrons Datumsrechner</h1>
<div class="accordion">
<div class="accordion-item">
<button type="button" class="accordion-header header-tage" onclick="openAccordion(0)">
<span style="vertical-align:middle;display:inline-block;width:1.5em;">
<!-- Kalender mit Doppelpfeil -->
<svg width="24" height="24" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg"><rect x="3" y="5" width="18" height="16" rx="4" fill="#fff" stroke="#2563eb" stroke-width="2"/><rect x="3" y="5" width="18" height="4" rx="2" fill="#2563eb"/><rect x="6" y="2" width="2" height="4" rx="1" fill="#2563eb"/><rect x="16" y="2" width="2" height="4" rx="1" fill="#2563eb"/><path d="M8 15h8M8 15l2-2M8 15l2 2M16 15l-2-2M16 15l-2 2" stroke="#2563eb" stroke-width="1.5" stroke-linecap="round"/></svg>
</span>
Anzahl der Tage zwischen zwei Daten
</button>
<div class="accordion-content">
<form method="post">
<label>Startdatum:<br>
<span class="date-row">
<input type="date" name="start1" id="start1">
<button type="button" class="today-btn" onclick="setToday('start1')">Heute</button>
</span>
</label>
<label>Enddatum:<br>
<span class="date-row">
<input type="date" name="end1" id="end1">
<button type="button" class="today-btn" onclick="setToday('end1')">Heute</button>
</span>
</label>
<button name="action" value="tage" type="submit">Berechnen</button>
</form>
{% if tage is not none %}
<div class="result">Anzahl der Tage zwischen <b>{{ format_date(request.form.get('start1', '')) }}</b> und <b>{{ format_date(request.form.get('end1', '')) }}</b>: {{ tage }}</div>
{% endif %}
</div>
</div>
<div class="accordion-item">
<button type="button" class="accordion-header header-werktage" onclick="openAccordion(1)">
<span style="vertical-align:middle;display:inline-block;width:1.5em;">
<!-- Kalender mit Mo-Fr Symbol -->
<svg width="24" height="24" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg"><rect x="3" y="5" width="18" height="16" rx="4" fill="#fff" stroke="#2563eb" stroke-width="2"/><rect x="3" y="5" width="18" height="4" rx="2" fill="#2563eb"/><rect x="6" y="2" width="2" height="4" rx="1" fill="#2563eb"/><rect x="16" y="2" width="2" height="4" rx="1" fill="#2563eb"/><text x="12" y="17" text-anchor="middle" font-size="8" font-family="Segoe UI, Arial, sans-serif" fill="#2563eb" font-weight="bold">Mo-Fr</text></svg>
</span>
Anzahl der Werktage zwischen zwei Daten
</button>
<div class="accordion-content">
<form method="post">
<label>Startdatum:<br>
<span class="date-row">
<input type="date" name="start2" id="start2">
<button type="button" class="today-btn" onclick="setToday('start2')">Heute</button>
</span>
</label>
<label>Enddatum:<br>
<span class="date-row">
<input type="date" name="end2" id="end2">
<button type="button" class="today-btn" onclick="setToday('end2')">Heute</button>
</span>
</label>
<button name="action" value="werktage" type="submit">Berechnen</button>
</form>
{% if werktage is not none %}
<div class="result">Anzahl der Werktage zwischen <b>{{ format_date(request.form.get('start2', '')) }}</b> und <b>{{ format_date(request.form.get('end2', '')) }}</b>: {{ werktage }}</div>
{% endif %}
</div>
</div>
<div class="accordion-item">
<button type="button" class="accordion-header header-wochentag" onclick="openAccordion(2)">
<span style="vertical-align:middle;display:inline-block;width:1.5em;">
<!-- Kalender mit W -->
<svg width="24" height="24" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg"><rect x="3" y="5" width="18" height="16" rx="4" fill="#fff" stroke="#2563eb" stroke-width="2"/><rect x="3" y="5" width="18" height="4" rx="2" fill="#2563eb"/><rect x="6" y="2" width="2" height="4" rx="1" fill="#2563eb"/><rect x="16" y="2" width="2" height="4" rx="1" fill="#2563eb"/><text x="12" y="17" text-anchor="middle" font-size="12" font-family="Segoe UI, Arial, sans-serif" fill="#2563eb" font-weight="bold">W</text></svg>
</span>
Wochentag eines Datums
</button>
<div class="accordion-content">
<form method="post">
<label>Datum:<br>
<span class="date-row">
<input type="date" name="datum3" id="datum3">
<button type="button" class="today-btn" onclick="setToday('datum3')">Heute</button>
</span>
</label>
<button name="action" value="wochentag" type="submit">Anzeigen</button>
</form>
{% if wochentag is not none %}
<div class="result">Wochentag von <b>{{ format_date(request.form.get('datum3', '')) }}</b>: {{ wochentag }}</div>
{% endif %}
</div>
</div>
<div class="accordion-item">
<button type="button" class="accordion-header header-plusminus-tage" onclick="openAccordion(3)">
<span style="vertical-align:middle;display:inline-block;width:1.5em;">
<!-- Kalender mit ± -->
<svg width="24" height="24" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg"><rect x="3" y="5" width="18" height="16" rx="4" fill="#fff" stroke="#2563eb" stroke-width="2"/><rect x="3" y="5" width="18" height="4" rx="2" fill="#2563eb"/><rect x="6" y="2" width="2" height="4" rx="1" fill="#2563eb"/><rect x="16" y="2" width="2" height="4" rx="1" fill="#2563eb"/><text x="12" y="17" text-anchor="middle" font-size="16" font-family="Segoe UI, Arial, sans-serif" fill="#2563eb" font-weight="bold">±</text></svg>
</span>
Datum plus/minus X Tage
</button>
<div class="accordion-content">
<form method="post">
<label>Datum:<br>
<span class="date-row">
<input type="date" name="datum4" id="datum4">
<button type="button" class="today-btn" onclick="setToday('datum4')">Heute</button>
</span>
</label>
<label>Anzahl Tage:<br>
<input type="number" name="tage4" id="tage4" style="width: 6em;">
</label>
<span class="date-calc-row">
<label><input type="radio" name="richtung4" value="add" checked> addieren</label>
<label><input type="radio" name="richtung4" value="sub"> subtrahieren</label>
</span>
<button name="action" value="datumsrechnung" type="submit">Berechnen</button>
</form>
{% if datumsrechnung is not none %}
<div class="result">Datum <b>{{ format_date(request.form.get('datum4', '')) }}</b> {{ 'plus' if request.form.get('richtung4') == 'add' else 'minus' }} <b>{{ request.form.get('tage4', '') }}</b> Tage: {{ datumsrechnung }}</div>
{% endif %}
</div>
</div>
<div class="accordion-item">
<button type="button" class="accordion-header header-plusminus-werktage" onclick="openAccordion(4)">
<span style="vertical-align:middle;display:inline-block;width:1.5em;">
<!-- Kalender mit ± und Mo-Fr -->
<svg width="24" height="24" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg"><rect x="3" y="5" width="18" height="16" rx="4" fill="#fff" stroke="#2563eb" stroke-width="2"/><rect x="3" y="5" width="18" height="4" rx="2" fill="#2563eb"/><rect x="6" y="2" width="2" height="4" rx="1" fill="#2563eb"/><rect x="16" y="2" width="2" height="4" rx="1" fill="#2563eb"/><text x="12" y="14" text-anchor="middle" font-size="10" font-family="Segoe UI, Arial, sans-serif" fill="#2563eb" font-weight="bold">±</text><text x="12" y="20" text-anchor="middle" font-size="7" font-family="Segoe UI, Arial, sans-serif" fill="#2563eb" font-weight="bold">Mo-Fr</text></svg>
</span>
Datum plus/minus X Werktage
</button>
<div class="accordion-content">
<form method="post">
<label>Datum:<br>
<span class="date-row">
<input type="date" name="datum5" id="datum5">
<button type="button" class="today-btn" onclick="setToday('datum5')">Heute</button>
</span>
</label>
<label>Anzahl Werktage:<br>
<input type="number" name="tage5" id="tage5" style="width: 6em;">
</label>
<span class="date-calc-row">
<label><input type="radio" name="richtung5" value="add" checked> addieren</label>
<label><input type="radio" name="richtung5" value="sub"> subtrahieren</label>
</span>
<button name="action" value="werktagsrechnung" type="submit">Berechnen</button>
</form>
{% if werktagsrechnung is not none %}
<div class="result">Datum <b>{{ format_date(request.form.get('datum5', '')) }}</b> {{ 'plus' if request.form.get('richtung5') == 'add' else 'minus' }} <b>{{ request.form.get('tage5', '') }}</b> Werktage: {{ werktagsrechnung }}</div>
{% endif %}
</div>
</div>
<div class="accordion-item">
<button type="button" class="accordion-header header-plusminus-wochenmonate" onclick="openAccordion(5)">
<span style="vertical-align:middle;display:inline-block;width:1.5em;">
<!-- Kalender mit ± und W/M -->
<svg width="24" height="24" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg"><rect x="3" y="5" width="18" height="16" rx="4" fill="#fff" stroke="#2563eb" stroke-width="2"/><rect x="3" y="5" width="18" height="4" rx="2" fill="#2563eb"/><rect x="6" y="2" width="2" height="4" rx="1" fill="#2563eb"/><rect x="16" y="2" width="2" height="4" rx="1" fill="#2563eb"/><text x="12" y="14" text-anchor="middle" font-size="10" font-family="Segoe UI, Arial, sans-serif" fill="#2563eb" font-weight="bold">±</text><text x="12" y="20" text-anchor="middle" font-size="7" font-family="Segoe UI, Arial, sans-serif" fill="#2563eb" font-weight="bold">W/M</text></svg>
</span>
Datum plus/minus X Wochen/Monate
</button>
<div class="accordion-content">
<form method="post">
<label>Datum:<br>
<span class="date-row">
<input type="date" name="datum8" id="datum8">
<button type="button" class="today-btn" onclick="setToday('datum8')">Heute</button>
</span>
</label>
<label>Anzahl:<br>
<input type="number" name="anzahl8" id="anzahl8" style="width: 6em;">
</label>
<span class="date-calc-row">
<label><input type="radio" name="einheit8" value="wochen" checked> Wochen</label>
<label><input type="radio" name="einheit8" value="monate"> Monate</label>
</span>
<span class="date-calc-row">
<label><input type="radio" name="richtung8" value="add" checked> addieren</label>
<label><input type="radio" name="richtung8" value="sub"> subtrahieren</label>
</span>
<button name="action" value="wochen_monate" type="submit">Berechnen</button>
</form>
{% if wochen_monate is not none %}
<div class="result">Datum <b>{{ format_date(request.form.get('datum8', '')) }}</b> {{ 'plus' if request.form.get('richtung8') == 'add' else 'minus' }} <b>{{ request.form.get('anzahl8', '') }}</b> {{ 'Wochen' if request.form.get('einheit8') == 'wochen' else 'Monate' }}: {{ wochen_monate }}</div>
{% endif %}
</div>
</div>
<div class="accordion-item">
<button type="button" class="accordion-header header-kw" onclick="openAccordion(6)">
<span style="vertical-align:middle;display:inline-block;width:1.5em;">
<!-- Kalender mit Pfeil nach außen -->
<svg width="24" height="24" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg"><rect x="3" y="5" width="18" height="16" rx="4" fill="#fff" stroke="#2563eb" stroke-width="2"/><rect x="3" y="5" width="18" height="4" rx="2" fill="#2563eb"/><rect x="6" y="2" width="2" height="4" rx="1" fill="#2563eb"/><rect x="16" y="2" width="2" height="4" rx="1" fill="#2563eb"/><path d="M7 17l5-5 5 5" stroke="#2563eb" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/><text x="12" y="12" text-anchor="middle" font-size="8" font-family="Segoe UI, Arial, sans-serif" fill="#2563eb" font-weight="bold">KW</text></svg>
</span>
Start-/Enddatum zu Kalenderwoche
</button>
<div class="accordion-content">
<form method="post">
<label>Jahr:<br>
<input type="number" name="jahr7" id="jahr7" min="1900" max="2100" style="width: 7em;">
</label>
<label>Kalenderwoche:<br>
<input type="number" name="kw7" id="kw7" min="1" max="53" style="width: 5em;">
</label>
<button name="action" value="kw_datum" type="submit">Start-/Enddatum berechnen</button>
</form>
{% if kw_datum is not none %}
<div class="result">Start-/Enddatum der KW <b>{{ request.form.get('kw7', '') }}</b> im Jahr <b>{{ request.form.get('jahr7', '') }}</b>: {{ kw_datum }}</div>
{% endif %}
</div>
</div>
</div>
</div>
<footer style="text-align:center; margin-top:2em; color:#64748b; font-size:0.98em; padding-bottom:1.5em;">
Dies ist ein werbe- und trackingfreier <a href="https://gitea.elpatron.me/elpatron/datecalc" target="_blank" style="color:#2563eb; text-decoration:underline;">Open Source Datumsrechner</a><br>
© 2025 M. Busche
</footer>
</body>
</html>